So i have been doing some digging.. I found a part list online at youngfartsrvparts . com/pages/dometic-dmc4101lss-product-id-936100408-parts-list its reference 289 for the part number. I called a local dealer in Yuma,, Rv World and they were able to order it for me with it takeing about a week to get..
I have also been chasing down lead on teh fan motor as well..
when i put this number in google some stuff on amazon come up .. seems this is a popular evap/ freezer fan motor for other units but not this exact one.. the plugs are different , this is a small 3 pin adn the shaft is 2" long from the hub.. I found a couple that have close to same 2000 RPM but the shaft if shorter.. so going to see what i can do to retrofit a cheaper way to fix these things.
Dometic has the parts fro this thing locked down TIGHT.. all i need is a fan motor but i gotta get all the other stuff.. stuff you have to remove to get ot fan motor.. go fricken figure.
I found a similar replacement motor which requires the connector to be removed and switched from old motor along with the shaft taken out of old motor and put in new one. if you pry the back of motor silver plug you can pull the shaft,, be careful to not loose the washer on shaft..
as for the plug wires , I just cut the new plug off, but the old plug off with spare wire spliced them together red to red etc. put some elec tape of heat shrink on if you have. mount new fan back in, blade back on shaft, put the back panel up make sure the blades are not jammed and tighten the two screws on top.. the replace fan motor on amazon is
